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本文对声波试验的原理、方法作了简要介绍,并结合李家峡水电站工程一年来的实测资料,对该水电站两岸坝肩的波速分布;岩体的各向异性;波速与预裂孔线密度药量的关系;用锯末减震对水平建基保护;爆破对建基面影响的探测等问题进行了分析研究.
In this paper, the principle and method of acoustic wave experiment are introduced briefly. Combining with the measured data of Lijiaxia hydropower project over the past year, the wave velocity distribution of abutment shoulders and the anisotropy of rock mass are analyzed. The relationship between the protection of horizontal foundation with sawdust damping and the impact of blasting on the foundations has been analyzed.